<!DOCTYPE html>
<html>
  <head>
    <style>
      body {
        background-color: #ffffff;
      }
    </style>
    <title>IOT LAO WANG</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
  </head>
  <body>
    <h1>An ordered HTML list</h1>
    <ol>
      <li>Follow step number one.</li>
      <li>This is step number two.</li>
      <li>That's the final step.</li>
    </ol>
    <h1>An unordered HTML list</h1>
    <ul>
      <li>One tip</li>
      <li>Another tip</li>
      <li>Last tip</li>
    </ul>
  </body>
</html>